| 摘要 |
PROBLEM TO BE SOLVED: To appropriately execute both control of each pointer value of writing and reading pointers and control relating to writing and reading of a command.SOLUTION: Main control means executes main processing and interruption processing. The main control means in the main processing executes, during interruption inhibition, steps of: specifying an address for writing command data; writing the command data in a storage area at the address; and updating a writing pointer value (control command set 2). The main control means in the interruption processing executes steps of: specifying an address for reading the command data; reading the command data stored in the storage area at the address; transmitting the read command data to sub control means; and updating a reading pointer value. |
